CN114628905A - Monitoring device and method with adjustable angle based on millimeter wave radar - Google Patents
Monitoring device and method with adjustable angle based on millimeter wave radar Download PDFInfo
- Publication number
- CN114628905A CN114628905A CN202210525529.XA CN202210525529A CN114628905A CN 114628905 A CN114628905 A CN 114628905A CN 202210525529 A CN202210525529 A CN 202210525529A CN 114628905 A CN114628905 A CN 114628905A
- Authority
- CN
- China
- Prior art keywords
- wireless signal
- wave radar
- millimeter wave
- movable rod
- signal antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/225—Supports; Mounting means by structural association with other equipment or articles used in level-measurement devices, e.g. for level gauge measurement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
Abstract
The invention relates to the technical field of radars, in particular to an angle-adjustable monitoring device and method based on a millimeter-wave radar, and the angle-adjustable monitoring device comprises a millimeter-wave radar main body arranged on a vehicle frame, wherein the millimeter-wave radar main body is connected with an information processing part through a wire, and the millimeter-wave radar main body also comprises a plurality of wireless signal antennas matched with the millimeter-wave radar main body, the wireless signal antennas move along with the up-and-down movement of a longitudinal movable rod, the wireless signal antennas horizontally deflect by taking a vertical straight line as an axis when moving to an upper vertex, and the wireless signal antennas longitudinally turn by taking the horizontal straight line as the axis when moving to a lower vertex; the position of the wireless signal antenna is changed by adopting the adjusting mechanism, so that the planar angle resolution is realized, meanwhile, the wireless signal can be transmitted and received in the vertical direction, and then the target height information can be conveniently judged through the wireless signal data in the vertical direction, and further the possibility of accidents is reduced.
Description
Technical Field
The invention relates to the technical field of radars, in particular to an angle-adjustable monitoring device and method based on a millimeter wave radar.
Background
The millimeter wave radar is a radar which works in a millimeter wave band for detection, and generally, the millimeter wave refers to a frequency domain (with a wavelength of 1-10 mm) of 30-300 GHz. The millimeter wave has a wavelength between microwave and centimeter wave, so the millimeter wave radar has some advantages of both microwave radar and photoelectric radar, and compared with sensor technologies such as laser radar, the millimeter wave radar has the characteristic of all-weather detection in rainy and snowy days, and has wide application in the automobile field, for example, Tesla realizes automatic driving based on the millimeter wave radar, Baidu automobiles realize automatic driving based on high-precision maps, the millimeter wave radar and vision, Honda and other brands realize auxiliary driving and ACC self-adaptive cruise based on the millimeter wave radar, and therefore, the millimeter wave radar has wide application in the automobile field.
However, due to the cost, the current vehicle-mounted millimeter wave radar only sets the angular resolution of a plane, that is, a plurality of antennas for transmitting and receiving have a certain angular resolution, so as to realize the identification and differentiation of vehicles in different lanes, and also because of this, no distinction is made in the vertical direction, so that the millimeter wave radar cannot recognize the height of the target from the ground, there is a risk of accidents, which has previously occurred when a certain brand of vehicle is driven at high speed by autonomous driving, the white container truck in front is identified as the white cloud and then collides with the vehicle, so that traffic accidents occur, in the accident, because the millimeter wave radar is not provided with the angle resolution in the vertical direction, the effect that the height of the target from the ground is not provided, and the effect is also an important reason for the accident, an angle-adjustable monitoring device and method based on the millimeter wave radar are provided.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an angle-adjustable monitoring device and method based on a millimeter wave radar.
The basic scheme of the invention is as follows: monitoring devices with adjustable angle based on millimeter wave radar, including installing the millimeter wave radar main part on the frame, the millimeter wave radar main part passes through the wire and is connected with information processing portion, still includes a plurality of and millimeter wave radar main part complex wireless signal antenna, and wireless signal antenna removes along with reciprocating of vertical movable rod, just wireless signal antenna takes place to use the horizontal deflection of perpendicular sharp as the axis to remove to last summit department, take place to use the vertical upset of horizontal sharp as the axis when wireless signal antenna removes to lower summit.
Preferably, the adjusting mechanism comprises an outer fixing ring, an inner rotating gear, a driving crank, a driving middle shaft, a swinging arm and a longitudinal movable rod, wherein the inner rotating gear rotates along an inner ring of the outer fixing ring, the center of the outer fixing ring revolves and also rotates, the middle part of the inner rotating gear is connected with the driving middle shaft through the driving crank, the inner rotating gear is rotatably connected with the driving crank, the driving middle shaft is driven by a motor, the swinging arm is fixedly connected to the outer side wall of the inner rotating gear, the end part of the swinging arm is rotatably connected with the bottom end of the longitudinal movable rod, and the joint of the swinging arm and the longitudinal movable rod moves up and down along a vertical straight line.
Preferably, the outer fixing ring is fixed in the outer bottom shell, a positioning portion is fixedly connected to the top of the outer fixing ring, and the longitudinal movable rod penetrates through a positioning block at the bottom end of the positioning portion and is used for positioning the longitudinal movable rod.
Preferably, install the setting element parallel with vertical movable rod on the locating piece, be connected with the slider on setting element and the vertical movable rod jointly, the slider rotates through pivot and base plate to be connected, and installs the torsional spring that is used for reseing in the pivot, just base plate surface mounting has wireless signal antenna.
Preferably, the vertical movable rod is provided with threads, the threads comprise one section of threads and two sections of threads, the thread pitch of the two sections of threads is smaller than that of the one section of threads, the two sections of threads are located at the end part of the one section of threads, and the two sections of threads are used for reducing the moving speed.
Preferably, the positioning piece comprises an arc deflection rod and a positioning straight rod, the arc deflection rod and the positioning straight rod are of an integrated structure, and the arc deflection rod drives the sliding block to horizontally deflect by taking a vertical straight line as an axis.
Preferably, the positioning portion further comprises an inclined positioning block, the inclined positioning block and the positioning block are of an integrated structure, the cross section of the inclined positioning block is in a preset shape, the preset shape is a right triangle, and the inclined surface of the inclined positioning block guides the substrate so that the substrate and the wireless signal antenna can be longitudinally turned over by taking a horizontal straight line as an axis.
Preferably, the driving middle shaft and the driving crank are of an integrated structure.
Preferably, the angle-adjustable monitoring method of the millimeter wave radar includes the steps of:
A. the wireless signal antenna emits wireless signals and spreads the wireless signals to the corresponding direction,
B. the motor drives the driving middle shaft to rotate and simultaneously drives the driving crank to rotate, the driving crank drives the internal rotation gear to roll along the inner wall of the external fixed ring, the end part of the swing arm fixed on the internal rotation gear moves up and down along the axis direction on the longitudinal movable rod during rolling, and the longitudinal movable rod is further stirred to move up and down through the swing arm;
C. after the height of the wireless signal antenna is changed, the wireless signal antenna can receive the wireless signal with the slope which cannot be received at the original position or can send and receive the wireless signal again at the changed position;
D. the distance between the object and the wireless signal antenna can be calculated through information such as time for receiving the wireless signals, so that the judgment of the target is realized, and meanwhile, the deflection angles are generated by the plurality of deflected wireless signal antennas, so that vehicles on different lanes are identified.
The working principle and the advantages of the invention are as follows:
1. this scheme adopts adjustment mechanism to change the position of wireless signal antenna, when realizing plane angular resolution, also can realize wireless signal's transmission and receipt in the vertical direction, and then be convenient for realize the judgement to target altitude information through wireless signal data in the vertical direction, and then reduce the possibility that the accident took place, realize under the condition that original radar antenna number does not change simultaneously, not obviously increase the cost, the price of millimeter wave radar is out of date at thousand yuan on the market, and drive transmission parts such as motor in this scheme cost is obviously lower.
2. When the wireless signal antenna reciprocated, realized the deflection of wireless signal antenna through arc deflection pole, and then guaranteed the angular resolution who original when the straight angle was measured, then the wireless signal antenna is through the guide of oblique locating piece to the base plate when removing to the below for the wireless signal antenna slope has certain angular resolution when the vertical direction is measured, and then can have the information of vertical direction inclination when sending and receiving wireless signal, makes things convenient for the later stage to calculate the judgement of target height.
3. The threads with smaller thread pitches on the end part reduce the speed and inertia of the wireless signal antenna to reach the end part, so that the instant stability of the wireless signal antenna to reach the end part is ensured, and the detection and monitoring effects are ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the adjustment mechanism of the present invention;
FIG. 3 is a schematic view of the lowest point of the rotation gear of the adjusting mechanism according to the present invention;
FIG. 4 is a schematic structural view of the highest point of movement of the rotary gear in the adjustment mechanism of the present invention;
FIG. 5 is a structural view of a positioning member of the present invention;
fig. 6 is a top view of the torsion spring of the present invention.
Reference numerals referred to in the drawings are: 1. a frame; 2. a millimeter wave radar main body; 3. a wire; 4. a wireless signal antenna; 5. a substrate; 6. an adjustment mechanism; 601. an outer retainer ring; 602. rotating the gear; 603. a drive crank; 604. a drive central shaft; 605. swinging arms; 606. a longitudinal movable rod; 607. a positioning part; 6071. an inclined positioning block; 6072. positioning blocks; 608. a thread; 6081. a section of thread; 6082. two sections of threads; 609. a positioning member; 6091. an arc-shaped deflection rod; 6092. a positioning straight rod; 610. a slider; 7. a torsion spring.
Detailed Description
The following is further detailed by the specific embodiments:
as shown in fig. 1 to 6, the angle-adjustable monitoring device based on millimeter-wave radar comprises a millimeter-wave radar main body 2 mounted on a vehicle frame 1, the millimeter-wave radar main body 2 is connected with an information processing unit through a wire 3, and further comprises a plurality of wireless signal antennas 4 matched with the millimeter-wave radar main body 2, the wireless signal antennas 4 move along with the up-and-down movement of a longitudinal movable rod 606, and the wireless signal antennas 4 horizontally deflect with vertical straight lines as axes when moving to an upper vertex, and the wireless signal antennas 4 longitudinally turn with horizontal straight lines as axes when moving to a lower vertex, wherein the adjusting mechanism 6 comprises an outer fixed ring 601, a rotary gear 602, a driving crank 603, a driving middle shaft 604, a swing arm 605 and a longitudinal movable rod 606, the rotary gear 602 rotates along the inner ring of the outer fixed ring 601, and also rotates while revolving around the center of the outer fixed ring 601, the middle part of a rotating gear 602 is connected with a driving middle shaft 604 through a driving crank 603, the driving middle shaft 604 and the driving crank 603 are of an integrated structure, the rotating gear 602 is rotatably connected with the driving crank 603, the driving middle shaft 604 is driven by a motor, a swing arm 605 is fixedly connected on the outer side wall of the rotating gear 602, the end part of the swing arm 605 is rotatably connected with the bottom end of a longitudinal movable rod 606, the joint of the swing arm 605 and the longitudinal movable rod 606 moves up and down along a vertical straight line, the position of a wireless signal antenna 4 is changed by adopting an adjusting mechanism 6, the planar angular resolution is realized, meanwhile, the sending and receiving of wireless signals can be realized in the vertical direction, the judgment of target height information is facilitated through wireless signal data in the vertical direction, the possibility of accidents is reduced, and meanwhile, the method is realized under the condition that the number of original radar antennas is not changed, the cost is not obviously increased, the price of the millimeter wave radar in the market is thousands of yuan, and the cost of the driving transmission parts such as the motor and the like in the scheme is obviously lower.
Specifically, outer retainer plate 601 is fixed in the drain pan of outside, the top fixedly connected with location portion 607 of outer retainer plate 601, vertical movable rod 606 runs through locating piece 6072 of location portion 607 bottom, be used for fixing a position vertical movable rod 606, install the setting element 609 parallel with vertical movable rod 606 on the locating piece 6072, be connected with slider 610 jointly on setting element 609 and the vertical movable rod 606, slider 610 rotates through pivot and base plate 5 to be connected, and install the torsional spring 7 that is used for resetting in the pivot, and 5 surface mounting on base plate has wireless signal antenna 4.
Specifically, the longitudinal moving rod 606 is provided with a thread 608, the thread 608 includes a first thread 6081 and a second thread 6082, the pitch of the second thread 6082 is smaller than the pitch of the first thread 6081, the second thread 6082 is located at the end of the first thread 6081, and the second thread 6082 is used for reducing the moving speed.
Specifically, the positioning member 609 includes an arc-shaped deflecting bar 6091 and a positioning straight bar 6092, the arc-shaped deflecting bar 6091 and the positioning straight bar 6092 are integrated, and the arc-shaped deflecting bar 6091 drives the sliding block 610 to horizontally deflect with a vertical straight line as an axis.
Specifically, the positioning portion 607 further includes an inclined positioning block 6071, the inclined positioning block 6071 and the positioning block 6072 are of an integral structure, the cross section of the inclined positioning block 6071 is of a predetermined shape, and the predetermined shape is a right triangle, the inclined surface guides the substrate 5 to make the substrate 5 and the wireless signal antenna 4 turn over vertically with the horizontal straight line as the axis, when the wireless signal antenna 4 moves up and down, the deflection of the wireless signal antenna 4 is realized through the arc-shaped deflection rod 6091, thereby ensuring the original angular resolution during the flat angle measurement, then, the wireless signal antenna 4 is guided to the substrate 5 by the tilt positioning block 6071 when moving downward, so that the wireless signal antenna 4 is tilted, the wireless sensor has certain angular resolution during measurement in the vertical direction, so that information of the inclination angle in the vertical direction can be provided during sending and receiving of wireless signals, and the judgment of the target height through later-stage calculation is facilitated.
In this embodiment, a monitoring method for adjusting an angle of a millimeter wave radar is further provided, including the following steps:
A. the wireless signal antenna 4 emits wireless signals and spreads them in the corresponding direction,
B. the motor drives the driving middle shaft 604 to rotate and simultaneously drives the driving crank 603 to rotate, the driving crank 603 drives the internal rotation gear 602 to roll along the inner wall of the external fixed ring 601, the end part of the swing arm 605 fixed on the internal rotation gear 602 moves up and down along the axis direction on the longitudinal movable rod 606 during rolling, and then the swing arm 605 stirs the longitudinal movable rod 606 to move up and down;
C. after the height of the wireless signal antenna 4 is changed, the wireless signal with the slope cannot be received at the original position or the wireless signal is sent and received again at the changed position;
D. the distance between the object and the wireless signal antenna 4 can be calculated through information such as the time for receiving the wireless signals, so that the judgment of the target is realized, and meanwhile, the deflection angles are generated by utilizing the plurality of deflected wireless signal antennas 4, so that the vehicles on different lanes are identified.
When the wireless signal antenna is used, a wireless signal is sent by the wireless signal antenna 4 and is diffused towards a corresponding direction, the wireless signal is reflected when being blocked by an object, a part of the reflected wireless signal is received by the wireless signal antenna 4 again, the distance between the object and the wireless signal antenna 4 can be calculated through information such as time for receiving the wireless signal, and the like, so that the judgment of a target is realized, and meanwhile, a plurality of deflected wireless signal antennas 4 are utilized to generate deflection angles, so that vehicles on different lanes are identified;
the driving central shaft 604 is driven by the motor to rotate and simultaneously drive the driving crank 603 to rotate, the driving crank 603 drives the internal rotation gear 602 to roll along the inner wall of the external fixing ring 601, the end part of the swing arm 605 fixed on the internal rotation gear 602 moves up and down along the axis direction on the longitudinal movable rod 606 as shown in fig. 3 and 4 when rolling, and then the longitudinal movable rod 606 is stirred by the swing arm 605 to move up and down, and simultaneously when the longitudinal movable rod 606 moves up and down, the slide block 610, the substrate 5 and the wireless signal antenna 4 are driven to move up and down by the action of the thread 608 and the slide block 610, so as to realize the adjustment of the height of the wireless signal antenna 4, when the height of the wireless signal antenna 4 changes, the wireless signal which cannot be received at the original position can be received, or the wireless signal can be sent and received again at the changed position, and when the height of the wireless signal antenna 4 is lower than or higher than the target, the wireless signal can not be reflected without being blocked, and then the approximate height of the target can be judged by comparing the wireless signal with the previous information;
when the substrate 5 approaches the inclined positioning block 6071, the substrate 5 is influenced by the inclined surface of the inclined positioning block 6071, and the substrate 5 is rotatably connected with the slider 610 through a rotating shaft, so that the substrate 5 and the wireless signal antenna 4 are inclined obliquely upwards under the guidance of the inclined surface of the inclined positioning block 6071, the inclined wireless signal antenna 4 is convenient to receive a wireless signal sent out from an original position, and the inclined positioning block 6071 is arranged at a position close to the bottom end, so that the original wireless signal can be conveniently received when the wireless signal antenna 4 moves to the bottom, otherwise, the moving distance is too large, only a small part of the original wireless signal can be received, and the detection of a target is influenced;
when the wireless signal antenna 4 moves towards the top end, the wireless signal antenna can be realized by moving the longitudinal movable rod 606 upwards to match with the screw thread 608, the screw thread 608 comprises a section of screw thread 6081 and a section of screw thread 6082, and the section of screw thread 6082 with a small screw pitch is distributed at the end part of the section of screw thread 6081, so that the speed is conveniently reduced when the wireless signal antenna 4 is about to reach the end part, and the stability of wireless signal receiving of the wireless signal antenna 4 is further ensured;
when the slider 610 is about to reach the top end, the slider 610 can drive the substrate 5 and the wireless signal antenna 4 to deflect due to the inclination of the arc-shaped deflection rod 6091, so that the angular resolution of the original plane is ensured, and the influence on normal detection is avoided.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (9)
1. Monitoring devices with adjustable angle based on millimeter wave radar, including installing millimeter wave radar main part (2) on frame (1), millimeter wave radar main part (2) are connected with information processing portion through wire (3), still include a plurality of and millimeter wave radar main part (2) complex radio signal antenna (4), its characterized in that: the wireless signal antenna (4) moves along with the up-and-down movement of the longitudinal movable rod (606), the wireless signal antenna (4) horizontally deflects by taking a vertical straight line as an axis when moving to an upper vertex, and the wireless signal antenna (4) longitudinally overturns by taking a horizontal straight line as an axis when moving to a lower vertex.
2. The millimeter wave radar-based angle-adjustable monitoring device according to claim 1, wherein: the adjusting mechanism (6) comprises an outer fixed ring (601), an inner rotating gear (602), a driving crank (603), a driving middle shaft (604), a swinging arm (605) and a longitudinal movable rod (606), wherein the inner rotating gear (602) rotates along the inner ring of the outer fixed ring (601), the center of the outer fixed ring (601) revolves and also rotates, the middle part of the inner rotating gear (602) is connected with a driving middle shaft (604) through a driving crank (603), the internal rotation gear (602) is rotationally connected with a driving crank (603), the driving middle shaft (604) is driven by a motor, the outer side wall of the inner rotating gear (602) is fixedly connected with a swing arm (605), the end part of the swing arm (605) is rotationally connected with the bottom end of the longitudinal movable rod (606), the joint of the swing arm (605) and the longitudinal movable rod (606) moves up and down along a vertical straight line.
3. The millimeter wave radar-based angle-adjustable monitoring device according to claim 2, wherein: outer retainer plate (601) are fixed in the drain pan of outside, the top fixedly connected with location portion (607) of outer retainer plate (601), vertical movable rod (606) run through locating piece (6072) of location portion (607) bottom for fix a position vertical movable rod (606).
4. The millimeter wave radar-based angle-adjustable monitoring device according to claim 3, wherein: install on locating piece (6072) and locating piece (609) parallel with vertical movable rod (606), be connected with slider (610) jointly on locating piece (609) and vertical movable rod (606), slider (610) rotate with base plate (5) through the pivot and are connected, and install in the pivot and be used for torsional spring (7) that reset, just base plate (5) surface mounting has wireless signal antenna (4).
5. The millimeter wave radar-based angle-adjustable monitoring device according to claim 2, wherein: set up screw thread (608) on vertical movable rod (606), screw thread (608) include one section screw thread (6081) and two-stage process screw thread (6082), the pitch of two-stage process screw thread (6082) is less than the pitch of one section screw thread (6081), just two-stage process screw thread (6082) are located the tip of one section screw thread (6081), two-stage process screw thread (6082) are used for reducing and move the speed.
6. The millimeter wave radar-based angle-adjustable monitoring device according to claim 4, wherein: the positioning piece (609) comprises an arc deflection rod (6091) and a positioning straight rod (6092), the arc deflection rod (6091) and the positioning straight rod (6092) are of an integrated structure, and the arc deflection rod (6091) drives the sliding block (610) to deflect horizontally by taking a vertical straight line as an axis.
7. The millimeter wave radar-based angle-adjustable monitoring device according to claim 6, wherein: the positioning part (607) further comprises an inclined positioning block (6071), the inclined positioning block (6071) and the positioning block (6072) are of an integral structure, the cross section of the inclined positioning block (6071) is in a preset shape, the preset shape is a right-angled triangle, and the inclined surface of the inclined positioning block guides the substrate (5) to enable the substrate (5) and the wireless signal antenna (4) to be longitudinally turned over by taking a horizontal straight line as an axis.
8. The millimeter wave radar-based angle-adjustable monitoring device according to claim 7, wherein: the driving middle shaft (604) and the driving crank (603) are of an integrated structure.
9. The monitoring method with the adjustable angle of the millimeter wave radar is characterized by comprising the following steps:
A. the wireless signal antenna (4) emits wireless signals and spreads the wireless signals to the corresponding direction,
B. the motor drives the driving middle shaft (604) to rotate and simultaneously drives the driving crank (603) to rotate, the driving crank (603) drives the internal rotation gear (602) to roll along the inner wall of the external fixed ring (601), the end part of the swing arm (605) fixed on the internal rotation gear (602) moves up and down along the axis direction on the longitudinal movable rod (606) during rolling, and then the swing arm (605) stirs the longitudinal movable rod (606) to move up and down;
C. after the height of the wireless signal antenna (4) is changed, the wireless signal with the slope cannot be received at the original position or the wireless signal is sent and received again at the changed position;
D. the distance between the object and the wireless signal antenna (4) can be calculated through information such as time for receiving wireless signals, so that the judgment of the target is realized, and meanwhile, the deflection angles are generated by utilizing the plurality of deflected wireless signal antennas (4), so that vehicles on different lanes are identified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210525529.XA CN114628905B (en) | 2022-05-16 | 2022-05-16 | Monitoring device and method with adjustable angle based on millimeter wave radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210525529.XA CN114628905B (en) | 2022-05-16 | 2022-05-16 | Monitoring device and method with adjustable angle based on millimeter wave radar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114628905A true CN114628905A (en) | 2022-06-14 |
| CN114628905B CN114628905B (en) | 2022-07-29 |
Family
ID=81907363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210525529.XA Active CN114628905B (en) | 2022-05-16 | 2022-05-16 | Monitoring device and method with adjustable angle based on millimeter wave radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114628905B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115826062A (en) * | 2022-11-22 | 2023-03-21 | 广东分数维无线科技有限公司 | Organism identification system and method based on millimeter wave radar |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060012511A1 (en) * | 2004-07-13 | 2006-01-19 | Fujitsu Limited | Radar apparatus, radar apparatus controlling method |
| US20100052945A1 (en) * | 1997-10-22 | 2010-03-04 | Intelligent Technologies International, Inc. | Vehicular Communication Arrangement and Method |
| US20100238067A1 (en) * | 2009-03-18 | 2010-09-23 | Denso Corporation | Array antenna and radar apparatus |
| US20120062411A1 (en) * | 2010-09-13 | 2012-03-15 | Radio Physics Solutions, Inc. | Millimeter and sub-millimeter wave radar-radiometric imaging |
| CN103529444A (en) * | 2013-09-27 | 2014-01-22 | 安徽师范大学 | Vehicle-mounted millimeter-wave radar moving target recognizer and recognition method |
| CN104875686A (en) * | 2015-05-26 | 2015-09-02 | 奇瑞汽车股份有限公司 | Adjusting device for installation angle of millimeter-wave radar |
| CN105857205A (en) * | 2016-05-04 | 2016-08-17 | 深圳卓影科技有限公司 | Installation structure of automobile millimeter wave radar and installation method of installation structure |
| CN208188323U (en) * | 2018-03-29 | 2018-12-04 | 苏州凌创瑞地测控技术有限公司 | Automobile Millimeter Wave Radar angle measurement calibration system |
| CN208752466U (en) * | 2018-09-28 | 2019-04-16 | 西安恒达微波技术开发有限公司 | Three millimeter wave continuous wave radar antenna feeders of one kind watch system |
| CN111316499A (en) * | 2018-12-04 | 2020-06-19 | 深圳市大疆创新科技有限公司 | Millimeter wave antenna structure, microwave rotary radar and movable platform |
| CN211452855U (en) * | 2019-12-16 | 2020-09-08 | 国汽(北京)智能网联汽车研究院有限公司 | Intelligent networking automobile test platform |
| CN111896923A (en) * | 2020-08-07 | 2020-11-06 | 华域汽车系统股份有限公司 | Vehicle-mounted radar multi-target independent simulation device and method |
| CN212540709U (en) * | 2020-06-17 | 2021-02-12 | 山西禾源科技股份有限公司 | Road operation millimeter wave radar sensing device based on mobile communication |
| CN212540708U (en) * | 2020-06-17 | 2021-02-12 | 山西禾源科技股份有限公司 | Multi-beam aggregation wide-area millimeter wave radar |
| CN212540710U (en) * | 2020-06-17 | 2021-02-12 | 山西禾源科技股份有限公司 | High-precision Beidou millimeter wave radar |
| CN212540707U (en) * | 2020-06-17 | 2021-02-12 | 山西禾源科技股份有限公司 | Dual-beam wide-area millimeter wave radar |
| CN112505630A (en) * | 2020-11-18 | 2021-03-16 | 安洁无线科技（苏州）有限公司 | Analysis compensation method of millimeter wave radar |
| CN213460108U (en) * | 2020-11-20 | 2021-06-15 | 木牛领航(上海)智能科技有限公司 | Millimeter wave radar antenna with adjustable visual field width |
| CN113030887A (en) * | 2021-03-02 | 2021-06-25 | 华域汽车系统股份有限公司 | Off-line calibration method and device for installation angle based on millimeter wave radar |
| CN214839669U (en) * | 2021-05-11 | 2021-11-23 | 天津同大电子技术有限公司 | Adjustable installation device for millimeter wave radar |
| KR102339939B1 (en) * | 2021-08-05 | 2021-12-16 | 주식회사 가가 | 80GHz class low power 1D level sensor for high dust environment capable of observing inside enclosed structures |
| CN215813317U (en) * | 2021-07-19 | 2022-02-11 | 中汽研汽车检验中心（天津）有限公司 | Millimeter wave radar angle resolution testing arrangement |
-
2022
- 2022-05-16 CN CN202210525529.XA patent/CN114628905B/en active Active
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100052945A1 (en) * | 1997-10-22 | 2010-03-04 | Intelligent Technologies International, Inc. | Vehicular Communication Arrangement and Method |
| US20060012511A1 (en) * | 2004-07-13 | 2006-01-19 | Fujitsu Limited | Radar apparatus, radar apparatus controlling method |
| US20100238067A1 (en) * | 2009-03-18 | 2010-09-23 | Denso Corporation | Array antenna and radar apparatus |
| US20120062411A1 (en) * | 2010-09-13 | 2012-03-15 | Radio Physics Solutions, Inc. | Millimeter and sub-millimeter wave radar-radiometric imaging |
| CN103529444A (en) * | 2013-09-27 | 2014-01-22 | 安徽师范大学 | Vehicle-mounted millimeter-wave radar moving target recognizer and recognition method |
| CN104875686A (en) * | 2015-05-26 | 2015-09-02 | 奇瑞汽车股份有限公司 | Adjusting device for installation angle of millimeter-wave radar |
| CN105857205A (en) * | 2016-05-04 | 2016-08-17 | 深圳卓影科技有限公司 | Installation structure of automobile millimeter wave radar and installation method of installation structure |
| CN208188323U (en) * | 2018-03-29 | 2018-12-04 | 苏州凌创瑞地测控技术有限公司 | Automobile Millimeter Wave Radar angle measurement calibration system |
| CN208752466U (en) * | 2018-09-28 | 2019-04-16 | 西安恒达微波技术开发有限公司 | Three millimeter wave continuous wave radar antenna feeders of one kind watch system |
| CN111316499A (en) * | 2018-12-04 | 2020-06-19 | 深圳市大疆创新科技有限公司 | Millimeter wave antenna structure, microwave rotary radar and movable platform |
| CN211452855U (en) * | 2019-12-16 | 2020-09-08 | 国汽(北京)智能网联汽车研究院有限公司 | Intelligent networking automobile test platform |
| CN212540709U (en) * | 2020-06-17 | 2021-02-12 | 山西禾源科技股份有限公司 | Road operation millimeter wave radar sensing device based on mobile communication |
| CN212540708U (en) * | 2020-06-17 | 2021-02-12 | 山西禾源科技股份有限公司 | Multi-beam aggregation wide-area millimeter wave radar |
| CN212540710U (en) * | 2020-06-17 | 2021-02-12 | 山西禾源科技股份有限公司 | High-precision Beidou millimeter wave radar |
| CN212540707U (en) * | 2020-06-17 | 2021-02-12 | 山西禾源科技股份有限公司 | Dual-beam wide-area millimeter wave radar |
| CN111896923A (en) * | 2020-08-07 | 2020-11-06 | 华域汽车系统股份有限公司 | Vehicle-mounted radar multi-target independent simulation device and method |
| CN112505630A (en) * | 2020-11-18 | 2021-03-16 | 安洁无线科技（苏州）有限公司 | Analysis compensation method of millimeter wave radar |
| CN213460108U (en) * | 2020-11-20 | 2021-06-15 | 木牛领航(上海)智能科技有限公司 | Millimeter wave radar antenna with adjustable visual field width |
| CN113030887A (en) * | 2021-03-02 | 2021-06-25 | 华域汽车系统股份有限公司 | Off-line calibration method and device for installation angle based on millimeter wave radar |
| CN214839669U (en) * | 2021-05-11 | 2021-11-23 | 天津同大电子技术有限公司 | Adjustable installation device for millimeter wave radar |
| CN215813317U (en) * | 2021-07-19 | 2022-02-11 | 中汽研汽车检验中心（天津）有限公司 | Millimeter wave radar angle resolution testing arrangement |
| KR102339939B1 (en) * | 2021-08-05 | 2021-12-16 | 주식회사 가가 | 80GHz class low power 1D level sensor for high dust environment capable of observing inside enclosed structures |
Non-Patent Citations (4)
| Title |
|---|
| SONG LIZHONG: "《Angle glint suppression for millimeter-wave radar based on polarization filtering》", 《ICMMT 4TH INTERNATIONAL CONFERENCE ON，PROCEEDINGS MICROWAVE AND MILLIMETER WAVE TECHNOLOGY，2004.》 * |
| 王宁: "《基于坐标平面旋转的比幅测角方法》", 《微波学报》 * |
| 苌乐: "《一种轻卡前向毫米波雷达售后标定方法》", 《汽车电器》 * |
| 郭风虎: "《交叉路口汽车AEB控制策略研究》", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115826062A (en) * | 2022-11-22 | 2023-03-21 | 广东分数维无线科技有限公司 | Organism identification system and method based on millimeter wave radar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114628905B (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114628905B (en) | Monitoring device and method with adjustable angle based on millimeter wave radar | |
| US11346926B2 (en) | Detection device and method for adjusting parameter thereof | |
| CN108474851B (en) | Laser radar scanning device on motor vehicle | |
| CN111003068B (en) | Continuously operating active hood device connected with ADAS | |
| US6714156B1 (en) | Method for correcting radar misalignment | |
| EP1478942B1 (en) | Radar sensor for motor vehicles with antenna sidelobe pointing at the road surface | |
| JP5003674B2 (en) | Radar device and moving body | |
| US20120169525A1 (en) | Fmcw radar sensor for motor vehicles | |
| US9304199B2 (en) | Obstacle and terrain warning radar system for a rotorcraft | |
| DE102005054674A1 (en) | Object recognition device for a motor vehicle | |
| Andres et al. | 3D-scattering center detection of automotive targets using 77 GHz UWB radar sensors | |
| WO2016012579A1 (en) | Scanning optoelectronic measuring device and use of a heating conductor of a cover sheet of an optoelectronic measuring device | |
| US20220342066A1 (en) | Method and Device for Determining a Target Position of a Surroundings Sensor of a Vehicle | |
| JP5141036B2 (en) | On-vehicle radar with axis adjustment function | |
| CN112596050A (en) | Vehicle, vehicle-mounted sensor system and driving data acquisition method | |
| CN111796243A (en) | Method for determining the detuning of a radar sensor | |
| JPH09288178A (en) | Onboard monopulse radar apparatus | |
| JPH04276582A (en) | Vehicle mounted radar | |
| CN112748447B (en) | Obstacle avoidance method and system based on laser radar road surface information identification | |
| US20210208269A1 (en) | Angular resolution refinement in a vehicle radar for object identification | |
| CN112677887A (en) | Vehicle body posture testing device and testing method | |
| JPH11118926A (en) | On-vehicle monitoring apparatus | |
| US7119756B2 (en) | Radar horn antenna | |
| US20230087392A1 (en) | Systems and methods for adjusting vehicle lane position | |
| CN114279525A (en) | Automobile wading detection method, electronic equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |